Operator`s manual

OPERATION
366
As an initial check, pull forward to test the completeness of the
coupling.
A direct visual check is required to ensure proper coupling. Several
types of improper couplings will pass the initial pull test. Sound is not
reliable. Do not take for granted that you are properly coupled. Get out
of the cab and look.
Failed Trailer Coupling
vn-vhd.bk Page 366 Tuesday, July 1, 2008 9:44 AM